Epson Stylus COLOR 1520 Service Manual page 145

Pin No. I/O
1
I
2


3
4
O
5
6
O
7
8
O
9
10 O


11
12 O


13


14


15


16


17
18 O
19 O
20 O


21


22
Pin No. I/O
1 O
2 O
3 O
4 O


5
Pin No. I/O
1 O
2 O
3 O
4 O
Rev. A
Table A-11. Connector Pin Assignment (CN13)
Signal Name
BCO Cartridge sensor signal
GND Ground
GND Ground
BLAT Latch signal
GND Ground
BSI 2 Data
GND Ground
BSI 1 Data
GND Ground
BHCLK Clock signal
GND Ground
BHNCHG NCHG signal
GND Ground
+ 5 Power source
GND Ground
GND Ground
GND Ground
COM Common output
COM Common output
COM Common output
VHPR Drive voltage
VHPR Drive voltage
Table A-12. Connector Pin Assignment (CN14)
Signal Name
A Phase A output
/ A Phase / A output
B Phase B output
/ B Phase / B output
+42 Drive signal
Table A-13. Connector Pin Assignment (CN15)
Signal Name
A Phase A output
B Phase B output
/ A Phase / A output
/ B Phase / B output
Description
Description
Description
Appendix
A-5